Bump io.projectreactor.tools:blockhound-junit-platform (#2766)

Bumps [io.projectreactor.tools:blockhound-junit-platform](https://github.com/reactor/BlockHound) from 1.0.7.RELEASE to 1.0.8.RELEASE.
- [Release notes](https://github.com/reactor/BlockHound/releases)
- [Commits](reactor/BlockHound@1.0.7.RELEASE...1.0.8.RELEASE)

---
updated-dependencies:
- dependency-name: io.projectreactor.tools:blockhound-junit-platform
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

build.gradle

@@ -119,7 +119,7 @@ ext {
 	junitVersion = '5.9.2'
 	junitPlatformLauncherVersion = '1.9.2'
 	mockitoVersion = '4.11.0'
-	blockHoundVersion = '1.0.7.RELEASE'
+	blockHoundVersion = '1.0.8.RELEASE'
 
 	javadocLinks = ["https://docs.oracle.com/javase/8/docs/api/",
 					// Use Reactive Streams 1.0.3 version for javadoc generation